package com.oocl.crm_system;
public class Node<T> {
    public T value;
    public Node<T> pre;
    public Node<T> next;
    public Node(T n) {
        this.value = n;
        pre = null;
        next = null;
    } 
    public Node(T n,Node<T> pre,Node<T> next) {
        this.value = n;
        this.pre = pre;
        this.next = next;
    }
    public Node(){
    	pre = null;
    	next = null;
    }
}
